CVE-2023-33553
📋 TL;DR
This vulnerability allows attackers to bypass authentication on Planet Technologies WDRT-1800AX routers by manipulating the LoginStatus cookie, enabling unauthorized root access. It affects organizations using WDRT-1800AX routers with vulnerable firmware, potentially exposing network infrastructure to complete compromise.
💻 Affected Systems
- Planet Technologies WDRT-1800AX
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete network compromise with attacker gaining root access to router, enabling traffic interception, network pivoting, and persistent backdoor installation.
Likely Case
Unauthorized administrative access to router configuration, allowing network reconnaissance, DNS manipulation, and credential harvesting.
If Mitigated
Limited impact with proper network segmentation and monitoring, though authentication bypass remains possible.
🎯 Exploit Status
Exploitation requires network access to the router's web interface and cookie manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
Check Planet Technologies website for firmware updates. If available, download and apply through web interface.
🔧 Temporary Workarounds
Restrict Web Interface Access
allLimit access to router web management interface to trusted IP addresses only.
Configure firewall rules to restrict access to router management IP/port
Disable Remote Management
allDisable web management interface from WAN/external interfaces.
Access router settings > Administration > Remote Management > Disable
🧯 If You Can't Patch
- Segment router management interface to isolated VLAN
- Implement strict network monitoring for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check firmware version in router web interface. If version is v1.01-CP21, device is vulnerable.
Check Version:
Login to router web interface and check System Status or About page
Verify Fix Applied:
Verify firmware version has been updated to a version later than v1.01-CP21.
📡 Detection & Monitoring
Log Indicators:
- Unauthorized login attempts
- Cookie manipulation in web logs
- Unexpected administrative access
Network Indicators:
- Unusual traffic patterns from router
- Unexpected outbound connections from router
SIEM Query:
source="router_logs" AND (event="authentication_failure" OR cookie="LoginStatus")